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LT1020CN

Description
Micropower Regulator and Comparator
CategoryPower/power management    The power supply circuit   
File Size259KB,16 Pages
ManufacturerLinear ( ADI )
Websitehttp://www.analog.com/cn/index.html
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LT1020CN Overview

Micropower Regulator and Comparator

LT1020CN Parametric

Parameter NameAttribute value
Brand NameLinear Technology
Is it Rohs certified?incompatible
MakerLinear ( ADI )
Parts packaging codeDIP
package instructionDIP, DIP14,.3
Contacts14
Manufacturer packaging codeN
Reach Compliance Code_compli
ECCN codeEAR99
AdjustabilityADJUSTABLE
Nominal dropback voltage 10.4 V
Maximum Differential Input-Output Voltage33.5 V
Minimum Differential Input-Output Voltage2 V
JESD-30 codeR-PDIP-T14
JESD-609 codee0
length19.558 mm
Maximum grid regulation rate (%/V)0.02
Maximum load regulation (%)0.4%
Number of functions1
Output times1
Number of terminals14
Maximum operating temperature100 °C
Minimum operating temperature
Maximum output current 10.125 A
Maximum output voltage 135.35 V
Minimum output voltage 12.46 V
Package body materialPLASTIC/EPOXY
encapsulated codeDIP
Encapsulate equivalent codeDIP14,.3
Package shapeRECTANGULAR
Package formIN-LINE
Certification statusNot Qualified
Regulator typeADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR
Maximum seat height3.429 mm
surface mountNO
technologyBIPOLAR
Terminal surfaceTin/Lead (Sn/Pb)
Terminal formTHROUGH-HOLE
Terminal pitch2.54 mm
Terminal locationDUAL
width6.477 mm
Base Number Matches1
LT1020
Micropower Regulator
and Comparator
FEATURES
s
s
s
s
s
s
s
s
s
s
s
DESCRIPTIO
Input Voltage Range: 4.5V to 36V
40µA Supply Current
125mA Output Current
2.5V Reference Voltage
Reference Output Sources 1mA and Sinks 0.5mA
Dual Output Comparator
Comparator Sinks 10mA
Dropout Detector
0.2V Dropout Voltage
Thermal Limiting
Available in SO Package
The LT
®
1020 is a combination micropower positive regu-
lator and free collector comparator on a single monolithic
chip. With only 40µA supply current, the LT1020 can
supply over 125mA of output current. Input voltage range
is from 4.5V to 36V and dropout voltage is 0.6V at 125mA.
Dropout voltage decreases with lower load currents. Also
included on the chip is a class B output 2.5V reference that
can either source or sink current. A dropout detector
provides an output current to indicate when the regulator
is about to drop out of regulation.
The dual output comparator can be used as a comparator
for system or battery monitoring. For example, the com-
parator can be used to warn of low system voltage while
the dropout detector shuts down the system to prevent
abnormal operation. Frequency compensation of the com-
parator for amplifier applications can be obtained by
adding external output capacitance. Dual output or posi-
tive and negative regulators can also be made.
The 2.5V reference will source or sink current. This allows
it to be used as a supply splitter or auxiliary output.
, LTC and LT are registered trademarks of Linear Technology Corporation.
APPLICATIO S
s
s
s
s
Battery Systems
Battery Backup Systems
Portable Terminals
Portable Instruments
TYPICAL APPLICATIO
5V Regulator
V
IN
> 5.2V
I
Q
= 40µA
3
V
IN
LT1020
V
OUT
2
0.001µF
FB
11
1M
1020 TA01
Dropout Voltage and Supply Current
1
10
5V
1M
10µF
GND
9
10µF
DROPOUT VOLTAGE (V)
+
+
0.1
0.01
0.1
U
SUPPLY CURRENT (mA)
1
10
1
100
OUTPUT CURRENT (mA)
0.1
1000
1020 TA02
U
U
sn1020 1020fcs
1

LT1020CN Related Products

LT1020CN LT1020CSW LT1020IN LT1020_03 LT1020IJ LT1020ISW LT1020CJ LT1020MJ
Description Micropower Regulator and Comparator Micropower Regulator and Comparator Micropower Regulator and Comparator Micropower Regulator and Comparator Micropower Regulator and Comparator Micropower Regulator and Comparator Micropower Regulator and Comparator Micropower Regulator and Comparator
Brand Name Linear Technology Linear Technology Linear Technology - - Linear Technology - Linear Technology
Is it Rohs certified? incompatible incompatible incompatible - incompatible incompatible incompatible incompatible
Maker Linear ( ADI ) Linear ( ADI ) Linear ( ADI ) - Linear ( ADI ) Linear ( ADI ) Linear ( ADI ) Linear ( ADI )
Parts packaging code DIP SOIC DIP - - SOIC - DIP
package instruction DIP, DIP14,.3 SOP, SOP16,.4 DIP, DIP14,.3 - DIP, DIP14,.3 SOP, SOP16,.4 DIP, DIP14,.3 DIP, DIP14,.3
Contacts 14 16 14 - - 16 - 14
Manufacturer packaging code N SW N - - SW - J
Reach Compliance Code _compli _compli _compli - unknow _compli unknow compli
ECCN code EAR99 EAR99 EAR99 - EAR99 EAR99 EAR99 EAR99
Adjustability ADJUSTABLE ADJUSTABLE ADJUSTABLE - ADJUSTABLE ADJUSTABLE ADJUSTABLE ADJUSTABLE
Nominal dropback voltage 1 0.4 V 0.4 V 0.4 V - 0.4 V 0.4 V 0.4 V 0.4 V
Maximum Differential Input-Output Voltage 33.5 V 33.5 V 33.5 V - 33.5 V 33.5 V 33.5 V 33.5 V
Minimum Differential Input-Output Voltage 2 V 2 V 2 V - 2 V 2 V 2 V 2 V
JESD-30 code R-PDIP-T14 R-PDSO-G16 R-PDIP-T14 - R-GDIP-T14 R-PDSO-G16 R-CDIP-T14 R-CDIP-T14
JESD-609 code e0 e0 e0 - e0 e0 e0 e0
length 19.558 mm 10.2995 mm 19.558 mm - 19.93 mm 10.2995 mm 19.93 mm 19.93 mm
Maximum grid regulation rate (%/V) 0.02 0.02 0.02 - 0.02 0.02 0.02 0.02
Maximum load regulation (%) 0.4% 0.4% 0.4% - 0.4% 0.4% 0.4% 0.4%
Number of functions 1 1 1 - 1 1 1 1
Output times 1 1 1 - 1 1 1 1
Number of terminals 14 16 14 - 14 16 14 14
Maximum operating temperature 100 °C 100 °C 100 °C - 100 °C 100 °C 100 °C 125 °C
Maximum output current 1 0.125 A 0.125 A 0.125 A - 0.125 A 0.125 A 0.125 A 0.125 A
Maximum output voltage 1 35.35 V 35.35 V 35.35 V - 35.35 V 35.35 V 35.35 V 35.35 V
Minimum output voltage 1 2.46 V 2.46 V 2.46 V - 2.46 V 2.46 V 2.46 V 2.46 V
Package body material PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY - CERAMIC, GLASS-SEALED PLASTIC/EPOXY CERAMIC, GLASS-SEALED CERAMIC, GLASS-SEALED
encapsulated code DIP SOP DIP - DIP SOP DIP DIP
Encapsulate equivalent code DIP14,.3 SOP16,.4 DIP14,.3 - DIP14,.3 SOP16,.4 DIP14,.3 DIP14,.3
Package shape RECTANGULAR RECTANGULAR RECTANGULAR - RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR
Package form IN-LINE SMALL OUTLINE IN-LINE - IN-LINE SMALL OUTLINE IN-LINE IN-LINE
Certification status Not Qualified Not Qualified Not Qualified - Not Qualified Not Qualified Not Qualified Not Qualified
Regulator type ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR - ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR
Maximum seat height 3.429 mm 2.642 mm 3.429 mm - 5.08 mm 2.642 mm 5.08 mm 5.08 mm
surface mount NO YES NO - NO YES NO NO
technology BIPOLAR BIPOLAR BIPOLAR - BIPOLAR BIPOLAR BIPOLAR BIPOLAR
Terminal surface Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) - Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb)
Terminal form THROUGH-HOLE GULL WING THROUGH-HOLE - THROUGH-HOLE GULL WING THROUGH-HOLE THROUGH-HOLE
Terminal pitch 2.54 mm 1.27 mm 2.54 mm - 2.54 mm 1.27 mm 2.54 mm 2.54 mm
Terminal location DUAL DUAL DUAL - DUAL DUAL DUAL DUAL
width 6.477 mm 7.493 mm 6.477 mm - 6.73 mm 7.493 mm 6.73 mm 6.73 mm
Peak Reflow Temperature (Celsius) - NOT SPECIFIED NOT SPECIFIED - NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED
Maximum time at peak reflow temperature - NOT SPECIFIED NOT SPECIFIED - NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED
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